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Inspection Tools


  • Fiber Scope with 200X Magnification
  • 6X and 10X Eye Loupes
  • Head Magnifier and Inspection Mirror

SDPK

Scratch-Dig Paddle

FS200-LC

LC Adapter for
FS201 Scope

FS201

Fiber Inspection Scope

EYL10X

10X Eye Loupe

10125HG

SMA Height Gauge

MAG200K

Magnifier

FS201

Fiber Inspection Scope

Related Items


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Features

  • Fiber Inspection Scope to Examine Fiber Polish Quality
  • SMA Height Gauge for Connector Coupling Applications
  • Eye Loupes Provide 6X or 10X Magnification
  • Head-Worn Magnifier Provides Hands-Free 2X Magnification
  • Inspection Mirror with Telescoping Handle
  • Scratch-Dig Paddle for Determining the Cosmetic Quality of Optical Surfaces

The tools on this page are primarily used for inspecting fiber optic ends and other optics. A fiber inspection scope is used to examine the polished end of a terminated fiber. The scope illuminates and magnifies the fiber tip so scratches and other defects can be seen. An SMA connector height gauge provides a way to accurately measure the length of an SMA905 connector, which is important in SMA to SMA coupling. Our premium eye loupes with 6X or 10X magnification are ideal for use in quality control departments. We also offer a head-worn magnifier, an inspection mirror, and a scratch-dig paddle.

10125HG SmartPack Packaging
Click to Enlarge

10125HG Packaging

Smart Pack

Item #% Weight
Reduction
CO2-Equivalent
Reductiona
10125HG 44.38% 1.59 kg

Smart Pack

  • Reduce Weight of Packaging Materials
  • Increase Usage of Recyclable Packing Materials
  • Improve Packing Integrity
  • Decrease Shipping Costs

Thorlabs' Smart Pack Initiative is aimed at waste minimization while still maintaining adequate protection for our products. By eliminating any unnecessary packaging, implementing packaging design changes, and utilizing eco-friendly packaging materials for our customers when possible, this initiative seeks to improve the environmental impact of our product packaging. Products listed above are now shipped in re-engineered packaging that minimizes the weight and the use of non-recyclable materials.b As we move through our product line, we will indicate re-engineered packages with our Smart Pack logo.

  • Travel-based emissions reduction calculations are estimated based on the total weight reduction of packaging materials used for all of 2013’s product sales, traveling 1,000 miles on an airplane, to provide general understanding of the impact of packaging material reduction. Calculations were made using the EPA’s shipping emissions values for different modes of transport.
  • Some Smart Pack products may show a negative weight reduction percentage as the substitution of greener packaging materials, such as the Greenwrap, at times slightly increases the weight of the product packaging.

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Posted Comments:
Poster:steve
Posted Date:2016-02-29 18:04:12.013
Is the split in the nozzle of the FS200-FC adapter compatible for view the end of the ferrule on an E2000 style connector, where the spring loaded cover has to be pulled back?
Poster:besembeson
Posted Date:2016-03-09 03:57:32.0
Response from Bweh at Thorlabs USA: This is not compatible with the E2000 style connector.
Poster:makarov
Posted Date:2014-01-31 18:55:20.72
Is a separate adapter for SMA (3.16 mm diameter) ferrule supposed to be included with FS200? The adapter on the scope is for 2.5 mm ferrule, and I can't find another adapter... maybe we misplaced it?.. If there is an SMA adapter, what is its part number?
Poster:jlow
Posted Date:2014-02-03 02:37:33.0
Respond from Jeremy at Thorlabs: An SMA adapter is included with each FS200. It is in the Velcro compartment inside of the provided fiber microscope case. We will contact you regarding a quote for the replacement if you have lost the adapter.
Poster:
Posted Date:2013-09-12 22:33:51.54
I recently had the oportunity to try out your "Premium" 6X and 10X eye loupes. Something was funny to me, so I measured the magnification. Turns out the 10X loupe is only 6X, and the 6X loupe is only 4X! This is why the field of view is so large and the distortion is low. I have a $4 set of loupes from Harbour Freight which are actually the magnification they claim. In that sense a &1 loupe outpreforms your $150 ones! The only thing premium is your price. Maybe it is time for some new optical engineers?
Poster:jlow
Posted Date:2013-09-16 08:28:00.0
Response from Jeremy at Thorlabs: Thank you for your feedback regarding our premium eye loupes. The lenses used in these premium eye loupes were chosen to provide the specified magnification at the working distance specified. Since you did not leave your e-mail address, can you write to us at techsupport@thorlabs.com please? We would be interested in a detailed discussion on how you received values different from what we determined by both design and testing.
Poster:jrserra
Posted Date:2013-05-30 13:00:35.22
Is there a way to couple the FS200 to a CCD/CMOS camera to capture the inspection image?
Poster:tcohen
Posted Date:2013-06-06 11:44:00.0
Response from Tim at Thorlabs: Thank you for contacting us. This was built with convenience of use in mind and does not have a direct way to interface to a CCD/CMOS camera. There are instruments that serve this functionality better and I will contact you to discuss this further.
Poster:jjurado
Posted Date:2011-06-22 20:02:00.0
Response from Javier at Thorlabs to edward.flagg: Thank you very much for contacting us. We currently do not offer a bare fiber adapter for the CL-200 fiber scope. The thread specification for the adapter is 0.875-28 UN-2A.
Poster:edward.flagg
Posted Date:2011-06-22 16:05:31.0
Dear Thorlabs, I have a CL-200 fiber scope with a FC adapter, but I would like to use it to view bare fibers. Is there a bare fiber adapter? Alternately, what is the diameter and pitch of the thread on the adapter so i can machine my own bare fiber holder. Thanks. Customer Email: edward.flagg@nist.gov This customer would like to be contacted.
Poster:georg.simmerle
Posted Date:2009-07-31 16:58:24.0
Dear Sir, we have the CL-200 fiber-scope, but after excessive use the provided FC adapter plate is broken. Is it available and whats the part number? Best regards, Georg Simmerle
Poster:jens
Posted Date:2009-07-31 11:03:33.0
A reply from Jens at Thorlabs: yes, we can offer that part, part number for that component is CL-200-FC-1. We will contact you directly with a quotation.
Poster:Tyler
Posted Date:2008-10-22 09:19:04.0
A response from Tyler at Thorlabs to Donini: The CL-200 fiber scope has three flat-head adjustment screws on the end of the fiber scope that accepts the fiber that can be used to center the core of the fiber in the field of view. Thank you for submitting the question, I will add a note to the product presentation.
Poster:info
Posted Date:2008-10-22 04:14:02.0
Dear Sir, I recently bought a CL-200 with SMA adapter. It is almost perfect because the fiber core appears not in the center of the image. Is it normal? If not where where am I wrong? Best regards, Donini Maurizio

Fiber Inspection Scope

FS201 Specifications
Optical Magnification 200X
Field of View ~Ø600 µm
Illumination Coaxial and Oblique White LEDs (100 000 Hour Lifetime)
Optical Filter Built-In IR Filter
Power 3 LR44 Button Batteries (Included)
Included Adapters FS200-FC
FS201-SMA
FS200 Fiber Scope with Multimode Fiber
Click to Enlarge

View of Panda-Style PM Fiber with the FS201 Inspection Scope and FS201-PM Adapter
  • Critically Examine Fiber Polish Quality
  • Scope Includes Two Fiber Adapters:
    • FS200-FC: FC/PC, FC/APC, ST®/PC, and SC/PC Connectors
    • FS201-SMA: SMA905 and SMA906 Connectors
  • Additional Connector Adapters Sold Separately Below

The FS201 Fiber Inspection Scope produces a high-quality, low-distortion image of both the fiber end and surrounding ferrule. With a high-intensity illumination system and 200X magnification, this microscope is powerful enough to offer a clear image of the fiber core as well as the surrounding cladding. The FS201 offers both coaxial and oblique illumination settings. The coaxial setting provides symmetric lighting for high-detail inspection, and the oblique setting provides light at an off-center angle to the fiber end face for higher contrast.

The FS201 includes the FS200-FC adapter for FC-/ST-/SC-terminated fibers (Ø2.5 mm ferrules) and the FS201-SMA adapter for SMA905- and SMA906-terminated fibers (Ø3 mm ferrules). The FS200-LC adapter for LC-terminated fibers (Ø1.25 mm ferrules) and the FS201-PM for polarization-maintaining fibers are available separately below.


The FS201 features two illumination modes, as well as adjustable adapters for fiber alignment.

Fiber Scope Operation
Insert the fiber connector into the adapter until it stops and then firmly hold in place during inspection. To activate illumination, flip the switch on the bottom of the scope; "|" activates coaxial illumination, while "||" activates oblique illumination. Once finished, flip the switch back to "O" to turn the scope off.

To inspect the full surface area of fibers with larger cores or fibers with angled faces, it may be necessary to rotate the fiber connector. This is also useful for differentiating between contaminants on the face of the fiber connector and those on the scope optic itself. In order to see the entire field of view, the rubber eyepiece should be as close as possible to the operator's eye. Operators who normally wear eyeglasses should remove them to fully inspect the fiber. Please note that under normal operation, the focus adjustment knob should not be rotated to its limits. Doing so repeatedly may cause the unit to fail over time.

Adapter Alignment
Although each adapter comes pre-aligned for use with the FS201, it may be necessary to align the adapter to center the fiber in the field of view for fibers with poor centration. First, follow the basic steps above to inspect a test fiber. Using a 1.5 mm hex key or balldriver, loosen the three setscrews around the edge of the connector adapter at the end of the scope. Look through the illuminated scope, focus on the fiber ferrule, and align the connector until the ferrule face is centered within the field of view. Progressively adjust the three setscrews until the end face is in the center of the scope view.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
FS201 Support Documentation
FS201Fiber Inspection Scope with FS200-FC and FS201-SMA Adapters
$207.00
Today

Connector Adapters for Fiber Inspection Scope

Connector Adapters for the FS201 Fiber Inspection Scopea
Photos
(Click to Enlarge)
Item # FS200-FC FS201-PM FS201-SMA FS200-LC
Compatible Connectors FC/ST/SC PM FCb SMA905
SMA906
LC
Included with FS201 Yes No Yes No
  • All of these adapters are also compatible with the FS200 Fiber Inspection Scope. 
  • This adapter features a v-groove aligned with the FC connector key on polarization-maintaining patch cables. However, It is also compatible with standard FC, ST, and SC connectors.
  • Connector Adapters Compatible with the FS201 Fiber Inspection Scope
  • Options Available for FC, ST, SC, SMA905, SMA906, or LC Connector Types
  • FS201-PM Adapter Features V-Groove Aligned to Wide Key Slot (2.2 mm) of the FC/PC Bulkhead

These connector adapters are used with the FS201 Fiber Inspection Scope sold above to enable compatibility with different ferrule and connector types (see table to the right for options). The FS201-PM adapter is like the FS200-FC adapter, except it features a V-groove that is aligned with the wide key slot on the FC/PC bulkhead. This provides a rough guide for determining the relative alignment of the connector key to the fiber stress members when used with polarization-maintaining patch cables

Although each adapter comes pre-aligned for use with the FS201, it may be necessary to align the adapter to center the fiber in the field of view for fibers with poor centration. First, follow the basic steps above to inspect a test fiber. Using a 1.5 mm hex key or balldriver, loosen the three setscrews around the edge of the connector adapter at the end of the scope. Look through the illuminated scope, focus on the fiber ferrule, and align the connector until the ferrule face is centered within the field of view. Progressively adjust the three setscrews until the end face is in the center of the scope view.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
FS200-FC Support Documentation
FS200-FCFC-Type Connector Adapter for FS201 Fiber Inspection Scope
$35.75
Today
FS201-PM Support Documentation
FS201-PMCustomer Inspired!FC-Type Connector Adapter with Key Alignment Groove for FS201 Fiber Inspection Scope
$45.00
Lead Time
FS201-SMA Support Documentation
FS201-SMASMA-Type Connector Adapter for FS201 Fiber Inspection Scope
$28.75
Today
FS200-LC Support Documentation
FS200-LCCustomer Inspired!LC-Type Connector Adapter for FS201 Fiber Inspection Scope
$28.75
Today

SMA Height Gauge

  • Measures SMA905 Ferrule Height Relative to 0.3860"
  • Calibration Pin Included
  • Detailed Calibration and Usage Instructions in Manual

The 10125HG SMA height gauge is ideal for accurately measuring the height of a polished fiber optic SMA905 connector. SMA-to-SMA couplers are designed to have a non-contact interface, and since the insertion loss (IL) of an SMA-SMA junction is dependent on the distance between the two SMA connector end faces, the height of the polished SMA connector is important. We recommend frequent calibration using the attached calibration pin. For detailed calibration instructions, please see the manual. Please note that this gauge is not compatible with SMA906 connectors.

To use, thread an SMA905-terminated fiber into the port at the bottom of the gauge and hand tighten. The connector height measurement on the gauge face is with respect to 0.3860". The photo above shows a ferrule with a height of 0.3863" which reads as +3 ticks on the gauge face. Be sure the gauge is properly calibrated prior to use.

Please note the IEC standard for SMA ferrule height is 0.3850" to 0.3863" (IEC61754-22).

The graph to the right shows the theoretical insertion loss as a function of the separation of two SMA connectors using our M38L01 patch cable. The fiber in this cable has a core diameter of 200 µm, a numerical aperture of 0.39, and an index of 1.4571 at 633 nm. This graph was generated using the following equation:

Theoretical Insertion Loss for an SMA Connector

where z is the separation distance, a is the radius of the core size in µm, NA is the numerical aperture of the fiber, and n0 is the index of the core. Click here to download an interactive Excel file which can be used to calculate and graph the theoretical insertion loss for any fiber.

The height gauge should not be used for testing high-power fiber patch cables as the contact between the gauge and connector end can damage the exposed fiber tip.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
10125HG Support Documentation
10125HGFiber Optic SMA905 Connector Height Gauge
$388.00
Today

Premium Eye Loupes: 6X and 10X Magnification

Specifications
Item # EYL06X EYL10X
Magnification 6X 10X
Working Distancea 30 mm (1.2") 20 mm (0.8")
Field of View 35 mm (1.4") 27 mm (1.1")
Clear Aperture Ø27.9 mm (Ø1.10")
Surface Quality 40-20 Scratch-Dig
Lens Materials N-BAF10/N-SF6HT
Broadband AR Coating
Wavelength Range
Average Reflectance <0.5%
  • Relative to the Housing
EYL10X with Stage Micrometer
Click to Enlarge
The R3L3S1P test target viewed through the EYL10X.
  • Magnification: 6X or 10X
  • Uses a Pair of Glass Achromatic Doublets
  • AR Coating on All Glass-to-Air Optical Surfaces
  • Large Field of View: Ø1.4" for 6X and Ø1.1" for 10X
  • Small Form Factor

Thorlabs' Premium Eye Loupes provide clear magnification that is ideal for inspecting optics and small parts. The eye loupes were designed by Thorlabs to maximize working distance when used with the knurled edge oriented towards the eye. They use a pair of glass achromatic doublets to minimize chromatic and other aberrations. The AR coating on each optical surface is optimized to reduce internal reflections at wavelengths visible to the human eye. These high-quality magnifiers are suitable for quality control applications in industry or inspecting optics in the lab. They are available in 6X and 10X magnifications.

EYL10X with Stage Micrometer
Click to Enlarge
This ray tracing demonstrates the virtual image seen through the EYL06X eye loupe.

Eye Loupe Magnification
The magnification specification provided for these eye loupes is determined using the standard magnification definition:
standard magnification equation
where M is the magnification, Himage is the image height, and Hobject is the object height. This definition is valid when used at the specified working distance. When using this equation, the magnification of EYL06X and EYL10X is 6.0 and 10.0, respectively, as specified in the table above.

The maximum magnification that can be achieved on the human retina is given by the loupe magnification definition, which is a thin-lens formula:
eye loupe magnification equation
where M is the magnification and f is the focal length of the lens in mm. When using this equation, the magnification of EYL06X is 5.5 and the magnification of EYL10X is 8.9.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
EYL06X Support Documentation
EYL06XPremium 6X Eye Loupe
$153.00
Today
EYL10X Support Documentation
EYL10XPremium 10X Eye Loupe
$153.00
Today

Standard 10X Eye Loupe

JEL10 with Stage Micrometer
Click to Enlarge
The R3L3S1P test target viewed through the JEL10.
  • 10X Magnification
  • Hastings Design
  • Lightweight

This Bausch & Lomb loupe is an ideal, economical tool for inspecting optics and small parts. The eyepiece provides a clear, 10X magnification. This loupe is designed to be used with the flared edge facing the eye. If the JEL10X does not meet your inspection needs, our premium eye loupes (featured above) provide a higher image quality and a wider field of view suitable for industry inspection applications.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
JEL10 Support Documentation
JEL10Standard 10X Eye Loupe
$23.80
Today

Head-Worn Magnifier

  • 2.0X Magnification
  • Can be Worn With or Without Eyeglasses
  • ESD Compliant

This head-worn inspection magnifier is ESD compliant and cleanroom compatible. It is ideal for inspecting components when high magnification is not required and may be worn with or without prescription eyeglasses. The position of the magnifying lenses is adjustable so that they can be swung out of your line of sight when magnification is not needed.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
MAG200K Support Documentation
MAG200KMagEyes Inspection Magnifier
$31.75
Today

Inspection Mirror

Partial Extension of Telescopting Arm
Click to Enlarge
Partial Extension of Telescoping Arm
  • Corrosion-Resistant Stainless Steel Telescoping Handle
  • High-Quality, Low Distortion Ø1.25" Glass Mirror
  • Articulated Joint Adds Versatility in Mirror Positioning
  • 8.50" (21.6 cm)  Solid Length, 35" (88.9 cm) Extended Length

This telescoping inspection mirror is ideal for viewing components in hard-to-reach areas of the lab.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
TM1 Support Documentation
TM1Telescoping Inspection Mirror
$24.10
Today

Scratch-Dig Paddle

Dig
Number
Mean Dig
Diameter
Dig Diameter
Tolerance
Dig Separation
Distance
160 1.60 mm (0.0630") - 20 mm (0.787")
120 1.20 mm (0.0473") 20 mm (0.787")
80 0.80 mm (0.0315") 20 mm (0.787")
60 0.60 mm (0.0236") 20 mm (0.787")
40 0.40 mm (0.0158") ±0.01016 mm (4x10-4") 20 mm (0.787")
20 0.20 mm (0.0079") ±0.00762 mm (3x10-4") 20 mm (0.787")
10 0.10 mm (0.0039") ±0.00508 mm (2x10-4") 1 mm (0.040")
  • Visual Scratch-Dig Reference
  • Scratch: Any Marking or Tearing of the Glass Surface
  • Dig: A Small Rough Spot on the Glass Surface, Similar to a Pit in Appearance

Scratch-dig paddles are used to determine the cosmetic surface quality of an optic. Thorlabs' SDPK Scratch-Dig Paddle has 7 rectangular sections and 7 circular sections each of which contains a different scratch or a different dig. Scratch-dig refers to the cosmetic quality of the surface of an optic and is defined by the U.S. military (MIL-PRF-13830B). Although not certified, this paddle contains scratch and dig features that can be compared to any optic for classification. To use the paddle, place it next to the optic you are inspecting and compare the imperfections on the optic's surface to the imperfections on the paddle.

Procedure:
The surface quality is to be specified by a number such as 60-40 scratch-dig. The first number corresponds to the max scratch width compared to the reference scratches on the SDPK paddle. It does not correspond directly to a precise scratch width. The next number indicates the mean diameter of a dig in hundredths of a millimeter. The table to the right can be used to quickly convert the dig number into millimeters or inches.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
SDPK Support Documentation
SDPKScratch-Dig Paddle
$35.50
Today
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